महाकाय /mahā-kāya/ bah.
1) грузный, толстый
2) высокий*

Adj., m./n./f.

m.	sg.	du.	pl.
Nom.	mahākāyaḥ	mahākāyau	mahākāyāḥ
Gen.	mahākāyasya	mahākāyayoḥ	mahākāyānām
Dat.	mahākāyāya	mahākāyābhyām	mahākāyebhyaḥ
Instr.	mahākāyena	mahākāyābhyām	mahākāyaiḥ
Acc.	mahākāyam	mahākāyau	mahākāyān
Abl.	mahākāyāt	mahākāyābhyām	mahākāyebhyaḥ
Loc.	mahākāye	mahākāyayoḥ	mahākāyeṣu
Voc.	mahākāya	mahākāyau	mahākāyāḥ

f.	sg.	du.	pl.
Nom.	mahākāyā	mahākāye	mahākāyāḥ
Gen.	mahākāyāyāḥ	mahākāyayoḥ	mahākāyānām
Dat.	mahākāyāyai	mahākāyābhyām	mahākāyābhyaḥ
Instr.	mahākāyayā	mahākāyābhyām	mahākāyābhiḥ
Acc.	mahākāyām	mahākāye	mahākāyāḥ
Abl.	mahākāyāyāḥ	mahākāyābhyām	mahākāyābhyaḥ
Loc.	mahākāyāyām	mahākāyayoḥ	mahākāyāsu
Voc.	mahākāye	mahākāye	mahākāyāḥ

n.	sg.	du.	pl.
Nom.	mahākāyam	mahākāye	mahākāyāni
Gen.	mahākāyasya	mahākāyayoḥ	mahākāyānām
Dat.	mahākāyāya	mahākāyābhyām	mahākāyebhyaḥ
Instr.	mahākāyena	mahākāyābhyām	mahākāyaiḥ
Acc.	mahākāyam	mahākāye	mahākāyāni
Abl.	mahākāyāt	mahākāyābhyām	mahākāyebhyaḥ
Loc.	mahākāye	mahākāyayoḥ	mahākāyeṣu
Voc.	mahākāya	mahākāye	mahākāyāni

Monier-Williams Sanskrit-English Dictionary
---

  महाकाय [ mahākāya ] [ mahā́-kāya ] m. f. n. large-bodied , of great stature , tall , bulky Lit. MBh. Lit. R. Lit. Pañcat. ( [ -tva ] n. )

   [ mahākāya ] m. an elephant Lit. L.

   N. of Vishṇu Lit. DhyānabUp.

   of Śiva Lit. MBh.

   of a being attending on Śiva Lit. MBh.

   of a king of the Garuḍas Lit. Buddh.

   [ mahākāyā ] f. N. of one of the Mātṛis attending on Skanda Lit. MBh.

---